def _find_race(user): user_id, ll = user lat = ll[0] lng = ll[1] for race, pols in loc_data.items(): for pol in pols: if pip.point_in_poly(lat, lng, pol): return [int(user_id), race[0]]
def loadAllHomeLoc(hbk_poly): # read all home locations hbk_user_home_loc = [] print 'Loading all user homes...' with open(my.DATA_FOLDER + '/' + my.HBK_USER_HOME_LOC_FILE, 'rb') as fp1: csv_reader = csv.reader(fp1, delimiter=',') for row in csv_reader: if len(row) > 0 and pip.point_in_poly(float(row[1]), float(row[2]), hbk_poly): hbk_user_home_loc.append([int(row[0]), float(row[1]), float(row[2])]) print str(len(hbk_user_home_loc)) + ' users with homes inside bounds.' return hbk_user_home_loc
def loadUsersInGangTty(tty_polys, hbk_user_home_loc):
# read users with homes in each gang territory
hbk_users_in_gang_t = {}
print 'Loading user homes in each gang tty...'
for user_home in hbk_user_home_loc:
for gang_id in tty_polys:
if pip.point_in_poly(float(user_home[1]), float(user_home[2]), tty_polys[gang_id]):
if gang_id not in hbk_users_in_gang_t:
hbk_users_in_gang_t[gang_id] = []
hbk_users_in_gang_t[gang_id].append(int(user_home[0]))
g_list = dict([(gang_id, len(hbk_users_in_gang_t[gang_id])) for gang_id in hbk_users_in_gang_t])
print 'Gang IDs with homes inside them: %s' % g_list
print 'Total home: %s' % (sum(g_list.values()))
return hbk_users_in_gang_t
def calcVisitationMat__NEW(hbk_all_tweets, tty_polys, hbk_users_in_gang_t, dist_norm=None, hbk_user_home_loc=None):
# visit_mat[i][j] = #tw(i) in j
print 'Calculating visitation matrix...'
hbk_home_list = {}
if dist_norm:
print '...for distance norm.'
for user_home in hbk_user_home_loc:
hbk_home_list[user_home[0]] = [user_home[1], user_home[2]]
hbk_user_gang_list = []
for gang_id in hbk_users_in_gang_t:
hbk_user_gang_list.extend([(user_id, gang_id) for user_id in hbk_users_in_gang_t[gang_id]])
hbk_user_gang_list = dict(hbk_user_gang_list)
visit_mat = {}
for gang_id in my.HBK_GANG_ID_LIST:
visit_mat[gang_id] = {}
for to_id in my.HBK_GANG_ID_LIST:
visit_mat[gang_id][to_id] = 0
for tweet in hbk_all_tweets:
from_id = hbk_user_gang_list[tweet[0]]
for to_id in tty_polys:
if pip.point_in_poly(tweet[1], tweet[2], tty_polys[to_id]):
visit_mat[from_id][to_id] += 1
'''for gang_id in my.HBK_GANG_ID_LIST:
if gang_id in hbk_users_in_gang_t:
this_gang_tweets = prep.keepUserIds(hbk_all_tweets, hbk_users_in_gang_t[gang_id])
for to_id in my.HBK_GANG_ID_LIST:
this_tty_tweets = prep.keepPolygon(this_gang_tweets, tty_polys[to_id])
if dist_norm == None:
visit_mat[gang_id][to_id] = len(this_tty_tweets)
else:
visit_val = 0
for tweet in this_tty_tweets:
dist = geo.distance(geo.xyz(tweet[1], tweet[2]), geo.xyz(hbk_home_list[tweet[0]][0], hbk_home_list[tweet[0]][1]))
dist_i = int(round(dist/100 + 1))
visit_val += 1/dist_norm[dist_i]
#print str(dist_i) + '\t=>\t' + str(1/dist_norm[dist_i])
visit_mat[gang_id][to_id] = round(visit_val, 5)
print 'Done calculating visitation matrix...'''
return visit_mat
def calc_tweet_freq_in_rival_home():
#
#
#
import sys
sys.path.append("/home/gambit/collector/gambit2/")
from django.core.management import setup_environ
from gambit import settings
setup_environ(settings)
from scraper.models import Location, Tweet
counts = {}
tty_counts = {}
tty_polys = {}
# Read location polygons for gang territories
with open(my.DATA_FOLDER + '/' + my.LOCATION_DATA_FILE, 'rb') as fp1:
location_data = anyjson.deserialize(fp1.read())
for loc in location_data:
if loc['id'] >= 23 and loc['id'] <= 54:
tty_polys[loc['id']] = loc['polygon']
# Count tweets
for gang_id in my.HBK_GANG_AND_RIVAL_IDS:
gang_data = {}
with open(my.DATA_FOLDER + '/' + my.GANG_DATA_FOLDER + '/' + str(gang_id) + '.json', 'rb') as fp1:
gang_data = anyjson.deserialize(fp1.read())
gang_center = calc_center(gang_data['location_polygon'])
bounds = get_bounding_box(gang_center, my.BOUND_RADIUS_MILES)
bbox = arr_to_str(bounds)
counts[gang_id] = {
'gang' : {
'total' : 0,
'home' : 0,
'rival' : {}
},
'la' : {
'total' : 0,
'home' : 0,
'rival' : {}
}
}
# Count tweets for all gang members
counts[gang_id]['gang']['total'] = 0
counts[gang_id]['gang']['home'] = 0
for rival_id in my.HBK_GANG_AND_RIVAL_IDS[gang_id]:
counts[gang_id]['gang']['rival'][rival_id] = 0
for user_id in gang_data['users']:
counts[gang_id]['gang']['total'] += len(gang_data['users'][user_id]['points_inside']) + len(gang_data['users'][user_id]['points_outside']) # Universe
counts[gang_id]['gang']['home'] += len(gang_data['users'][user_id]['points_inside']) # Home tty
for latlng in gang_data['users'][user_id]['points_outside']:
for rival_id in my.HBK_GANG_AND_RIVAL_IDS[gang_id]:
if pip.point_in_poly(latlng[0], latlng[1], tty_polys[rival_id]):
counts[gang_id]['gang']['rival'][rival_id] += 1 # Rival tty
# Count tweets for all LA users
print 'Django query... gang-id ' + str(gang_id) + '... universe.'
tweets = Tweet.objects.all()
loc = Location.parse_bbox(my.HBK_BIG_BOUNDS_string)
tweets = tweets.filter(geo__within=loc)
bbox = Location.parse_bbox(bbox)
tweets = tweets.filter(geo__within=bbox)
counts[gang_id]['la']['total'] = tweets.count() # Universe
if gang_id in tty_counts:
counts[gang_id]['la']['home'] = tty_counts[gang_id]
else:
print 'Django query... gang-id ' + str(gang_id) + '... home tty.'
tweets = Tweet.objects.all()
loc = Location.parse_bbox(my.HBK_BIG_BOUNDS_string)
tweets = tweets.filter(geo__within=loc)
polygon = Location.parse_polygon(arr_to_str(tty_polys[gang_id]))
tweets = tweets.filter(geo__within=polygon)
tty_counts[gang_id] = tweets.count() # Home tty
counts[gang_id]['la']['home'] = tty_counts[gang_id]
for rival_id in my.HBK_GANG_AND_RIVAL_IDS[gang_id]:
if rival_id in tty_counts:
counts[gang_id]['la']['rival'][rival_id] = tty_counts[rival_id]
else:
print 'Django query... rival-id ' + str(rival_id) + '... rival tty.'
tweets = Tweet.objects.all()
loc = Location.parse_bbox(my.HBK_BIG_BOUNDS_string)
tweets = tweets.filter(geo__within=loc)
polygon = Location.parse_polygon(arr_to_str(tty_polys[rival_id]))
tweets = tweets.filter(geo__within=polygon)
tty_counts[rival_id] = tweets.count() # Rival tty
counts[gang_id]['la']['rival'][rival_id] = tty_counts[rival_id]
with open(my.DATA_FOLDER + '/' + my.OUTPUT_COUNT_FILE, 'wb') as fp2:
fp2.write(anyjson.serialize(counts))
print counts
def keepPolygon(tweets, polygon): new_tweets = [] for tweet in tweets: if pip.point_in_poly(tweet[1], tweet[2], polygon): new_tweets.append(tweet) return new_tweets
def removePolygon(tweets, polygon): new_tweets = [] for tweet in tweets: if not pip.point_in_poly(tweet[1], tweet[2], polygon): new_tweets.append(tweet) return new_tweets
